<template>
  <ul class="todo-list">
    <!-- completed: 完成的类名 -->
    <li 
    v-for="item in list" 
    :key="item.id" 
    :class="{ completed: item.isDone }">
      <div class="view">
        <input v-model="item.isDone" class="toggle" type="checkbox" />
        <label>{{ item.name }}</label>
        <button @click="delTask(item.id)" class="destroy"></button>
      </div>
    </li>
  </ul>
</template>

<script>
export default {
  props: ["list"],
  methods: {
    delTask(id) {
      // 将 id 传给父组件
      this.$emit('delTask', id)
    }
  }
};
</script>